Stephen R. Kaffka

Stephen Kaffka

Position Title
Cooperative Extension Specialist and Director

  • Plant Sciences


Ten-year comparison of the influence of organic and conventional crop management practices on the content of flavonoids in tomatoes
AE Mitchell, YJ Hong, E Koh, DM Barrett, DE Bryant, RF Denison, S Kaffka
Journal of agricultural and food chemistry 55 (15), 6154-6159, 2007

Response of safflower (Carthamus tinctorius L.) to saline soils and irrigation: I. Consumptive water use
ES Bassil, SR Kaffka
Agricultural water management 54 (1), 67-80, 2002

Take a closer look: biofuels can support environmental, economic and social goals
BE Dale, JE Anderson, RC Brown, S Csonka, VH Dale, G Herwick, ...
Environmental science & technology 48 (13), 7200-7203, 2014

A low-carbon fuel standard for California part 1: technical analysis
AE Farrell, D Sperling, SM Arons, AR Brandt, MA Delucchi, A Eggert, ...

A landscape perspective on sustainability of agricultural systems
VH Dale, KL Kline, SR Kaffka, JWA Langeveld
Landscape ecology 28, 1111-1123, 2013

Education and Degree(s)
  • Ph.D., Cornell University; Agronomy, 1986
  • M.S., Cornell University; Agronomy, 1983
  • B.S., UC Santa Cruz; Biological Sciences, 1979